1-4-51
(4) The background is colored.
1. Table scanning
Print example
Defective part
Check description
Corrective Action
1
Original document
1. Check if the background
density of the original
document is too dense.
2. Check if the original
document is floated during
scanning.
1. If the background density of the original
document is too dense, perform automatic
background adjustment.Or, adjust density
with background adjustment.
2. If the original document is floated during
scanning, press down the original
document.
2
Adjustment of the
scanner
Check the automatic adjustment
of the scanner.
Perform maintenance mode U411,
table(Chart1)_All.
(see page 1-3-54)
3
Contact glass
Check whether the contact glass
is dirty.
If the contact glass is dirty, clean the contact
glass, and the bottom part of the shading plate.
4
Contact glass assy Check the location the contact
glass is mounted.
Re-mount the contact glass if is hanged off.
5
Home position
sensor
Check the location the home
position sensor is mounted.
Re-mount the home position sensor if it is
hanged off.
6
FFC cable CCD
Check the FFC cable between
the CCD and control PWB is
properly connected. Or, verify
conduction of the wire.
Reinsert the connector if its connection is
loose. Or, if conduction is lot, replace the wire.
7
Lamp unit
Check the location the lamp unit
is mounted.
Re-mount the lamp unit if it is hanged off.
8
LED PWB
Check that the LED is lit.
If the LED is not lit, replace the ISU and
perform U411.
9
CCD PWB
CCD PWB is defective.
Replace the ISU and perform U411.
10
Control PWB
The control PWB is defective.
Replace the control PWB.(see page 2-2-12)
Service Manual
Y116
540-5
Summary of Contents for d-Copia 4003MF
Page 11: ...This page is intentionally left blank...
Page 52: ...1 2 24 This page is intentionally left blank Service Manual Y116540 5...
Page 384: ...1 5 100 This page is intentionally left blank Service Manual Y116540 5...
Page 484: ...Installation Guide PF 320 Paper Feeder Installation Guide...
Page 486: ...For Legal Folio OficioII 1 1 1 1 2 2 2 2...
Page 487: ...UPDATINGSTATUS DATE UPDATEDPAGES PAGES CODE 03 2015 1ST EDITION 487 Y116540 5...